package com.orilore.bizs;
import com.orilore.model.*;
import java.util.List;
public interface IS_tBiz{
	public boolean addS_t(S_t s_t);
	public boolean removeS_t(int id);
	public boolean modifyS_t(S_t s_t);
	public S_t getS_t(int id);
	public List<S_t> findS_t();
}